1 package org.apache.turbine.services.freemarker;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Turbine" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache Turbine", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57
58 import freemarker.template.SimpleHash;
59 import freemarker.template.SimpleScalar;
60 import freemarker.template.TemplateMethodModel;
61 import freemarker.template.TemplateModel;
62 import freemarker.template.TemplateModelException;
63 import java.util.List;
64 import org.apache.ecs.html.Head;
65 import org.apache.turbine.services.TurbineServices;
66 import org.apache.turbine.services.resources.TurbineResources;
67 import org.apache.turbine.util.Log;
68 import org.apache.turbine.util.RunData;
69 import org.apache.turbine.util.TurbineException;
70
71
72 /***
73 * Returns output of a Navigation module. Extension of FreeMarker.
74 *
75 * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a>
76 * @version $Id: AddTemplatesToHeadModel.java,v 1.3 2002/07/11 16:53:28 mpoeschl Exp $
77 * @deprecated
78 */
79 public class AddTemplatesToHeadModel
80 implements TemplateMethodModel
81 {
82 private RunData data;
83
84 /***
85 * Constructor.
86 *
87 * @param data Turbine information.
88 */
89 public AddTemplatesToHeadModel(RunData data)
90 {
91 this.data = data;
92 }
93
94 /***
95 * Method called by FreeMarker Template.
96 *
97 * @param args A List of Strings passed from the template.
98 * @return A TemplateModel with an empty SimpleScalar("").
99 * @exception TemplateModelException.
100 */
101 public TemplateModel exec(List args)
102 throws TemplateModelException
103 {
104 Head head = data.getPage().getHead();
105 String returnValue = "";
106 String serviceName = TurbineResources.getString("services.freemarker");
107 FreeMarkerService fm = (FreeMarkerService)
108 TurbineServices.getInstance().getService(serviceName);
109 SimpleHash context = fm.getContext(data);
110
111 for (int i=0; i<args.size(); i++)
112 {
113 String name = (String)args.get(i);
114 try
115 {
116 head.addElement( fm.handleRequest(context, name, true) );
117 head.addElement("\n");
118 }
119 // We cannot pass this exception, because this methods overrides
120 // a method from interface defined by FreeMarker.
121 catch(TurbineException te)
122 {
123 // make sure the stack trace makes it to the log
124 Log.error(te);
125
126 throw new TemplateModelException("An error occured while rendering template "+name+":\n"+te);
127 }
128 }
129 return new SimpleScalar(returnValue);
130 }
131
132 /***
133 * Required method in TemplateMethodModel, not implemented.
134 *
135 * @return Always false.
136 */
137 public boolean isEmpty()
138 {
139 return false;
140 }
141
142
143 /*
144 * This unfinished method loads the file from filesytem instead of
145 * cache.
146
147 //
148 // Required method in TemplateMethodModel, not implemented.
149 //
150 // @param args A List of Strings passed from the template.
151 // @return A TemplateModel with an empty SimpleScalar("").
152 // @exception TemplateModelException.
153 //
154 public TemplateModel exec(ArgumentList args)
155 throws TemplateModelException
156 {
157 Head head = data.getPage().getHead();
158 String returnValue = "";
159 for (int i=0; i<args.size(); i++)
160 {
161 String serviceName = TurbineResources.getString("services.freemarker");
162 FreeMarkerService fm = (FreeMarkerService)
163 TurbineServices.getInstance().getService(serviceName);
164 String path = fm.getBasePath();
165 File file = null;
166 FileReader reader = null;
167 BufferedReader br = null;
168 try
169 {
170 file = new File(path, (String)args.get(i));
171 reader = new FileReader(file);
172 br = new BufferedReader(reader);
173 String line = null;
174 do
175 {
176 line = br.readline();
177 if (line != null)
178 {
179 head.addElement(line);
180 }
181 }
182 while (line != null);
183 head.addElement("\n");
184 }
185 return new SimpleScalar(returnValue);
186 }
187 }
188 */
189 }
This page was automatically generated by Maven